From c74ce24cd22e8c683ba0e5353c0762f8616e597d Mon Sep 17 00:00:00 2001 From: Rob Stradling Date: Thu, 20 Feb 2014 21:41:12 +0000 Subject: [PATCH] Show the contents of the RFC6962 Signed Certificate Timestamp List Certificate/OCSP Extensions. Add the RFC6962 OIDs to the objects table. (backport from master branch) --- crypto/bio/b_dump.c | 22 ++++ crypto/bio/bio.h | 3 + crypto/crypto-lib.com | 2 +- crypto/objects/obj_dat.h | 34 ++++++- crypto/objects/obj_mac.h | 20 ++++ crypto/objects/obj_mac.num | 4 + crypto/objects/objects.txt | 6 ++ crypto/x509v3/Makefile | 4 +- crypto/x509v3/ext_dat.h | 3 + crypto/x509v3/v3_scts.c | 204 +++++++++++++++++++++++++++++++++++++ ssl/ssl_locl.h | 9 ++ 11 files changed, 303 insertions(+), 8 deletions(-) create mode 100644 crypto/x509v3/v3_scts.c diff --git a/crypto/bio/b_dump.c b/crypto/bio/b_dump.c index c80ecc4295..b3a5f7d031 100644 --- a/crypto/bio/b_dump.c +++ b/crypto/bio/b_dump.c @@ -185,3 +185,25 @@ int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) return BIO_dump_indent_cb(write_bio, bp, s, len, indent); } +int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, + int datalen) + { + int i, j = 0; + + if (datalen < 1) + return 1; + + for (i = 0; i < datalen - 1; i++) + { + if (i && !j) BIO_printf(out, "%*s", indent, ""); + + BIO_printf(out, "%02X:", data[i]); + + j = (j + 1) % width; + if (!j) BIO_printf(out, "\n"); + } + + if (i && !j) BIO_printf(out, "%*s", indent, ""); + BIO_printf(out, "%02X", data[datalen - 1]); + return 1; + } diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h index c14009ad0d..8489ff80bb 100644 --- a/crypto/bio/bio.h +++ b/crypto/bio/bio.h @@ -707,6 +707,9 @@ int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent); int BIO_dump_fp(FILE *fp, const char *s, int len); int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent); #endif +int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, + int datalen); + struct hostent *BIO_gethostbyname(const char *name); /* We might want a thread-safe interface too: * struct hostent *BIO_gethostbyname_r(const char *name, diff --git a/crypto/crypto-lib.com b/crypto/crypto-lib.com index 4ba2e2e023..a409fefaa8 100644 --- a/crypto/crypto-lib.com +++ b/crypto/crypto-lib.com @@ -320,7 +320,7 @@ $ LIB_X509V3 = "v3_bcons,v3_bitst,v3_conf,v3_extku,v3_ia5,v3_lib,"+ - "v3_int,v3_enum,v3_sxnet,v3_cpols,v3_crld,v3_purp,v3_info,"+ - "v3_ocsp,v3_akeya,v3_pmaps,v3_pcons,v3_ncons,v3_pcia,v3_pci,"+ - "pcy_cache,pcy_node,pcy_data,pcy_map,pcy_tree,pcy_lib,"+ - - "v3_asid,v3_addr" + "v3_asid,v3_addr,v3_scts" $ LIB_CONF = "conf_err,conf_lib,conf_api,conf_def,conf_mod,conf_mall,conf_sap" $ LIB_TXT_DB = "txt_db" $ LIB_PKCS7 = "pk7_asn1,pk7_lib,pkcs7err,pk7_doit,pk7_smime,pk7_attr,"+ - diff --git a/crypto/objects/obj_dat.h b/crypto/objects/obj_dat.h index b08ed9f49b..aee9cbbf3b 100644 --- a/crypto/objects/obj_dat.h +++ b/crypto/objects/obj_dat.h @@ -62,12 +62,12 @@ * [including the GNU Public Licence.] */ -#define NUM_NID 951 -#define NUM_SN 944 -#define NUM_LN 944 -#define NUM_OBJ 883 +#define NUM_NID 955 +#define NUM_SN 948 +#define NUM_LN 948 +#define NUM_OBJ 887 -static const unsigned char lvalues[6188]={ +static const unsigned char lvalues[6228]={ 0x00, /* [ 0] OBJ_undef */ 0x2A,0x86,0x48,0x86,0xF7,0x0D, /* [ 1] OBJ_rsadsi */ 0x2A,0x86,0x48,0x86,0xF7,0x0D,0x01, /* [ 7] OBJ_pkcs */ @@ -951,6 +951,10 @@ static const unsigned char lvalues[6188]={ 0x2B,0x81,0x04,0x01,0x0E,0x01, /* [6169] OBJ_dhSinglePass_cofactorDH_sha256kdf_scheme */ 0x2B,0x81,0x04,0x01,0x0E,0x02, /* [6175] OBJ_dhSinglePass_cofactorDH_sha384kdf_scheme */ 0x2B,0x81,0x04,0x01,0x0E,0x03, /* [6181] OBJ_dhSinglePass_cofactorDH_sha512kdf_scheme */ +0x2B,0x06,0x01,0x04,0x01,0xD6,0x79,0x02,0x04,0x02,/* [6187] OBJ_ct_precert_scts */ +0x2B,0x06,0x01,0x04,0x01,0xD6,0x79,0x02,0x04,0x03,/* [6197] OBJ_ct_precert_poison */ +0x2B,0x06,0x01,0x04,0x01,0xD6,0x79,0x02,0x04,0x04,/* [6207] OBJ_ct_precert_signer */ +0x2B,0x06,0x01,0x04,0x01,0xD6,0x79,0x02,0x04,0x05,/* [6217] OBJ_ct_cert_scts */ }; static const ASN1_OBJECT nid_objs[NUM_NID]={ @@ -2500,6 +2504,14 @@ static const ASN1_OBJECT nid_objs[NUM_NID]={ NID_aes_192_cbc_hmac_sha256,0,NULL,0}, {"AES-256-CBC-HMAC-SHA256","aes-256-cbc-hmac-sha256", NID_aes_256_cbc_hmac_sha256,0,NULL,0}, +{"ct_precert_scts","CT Precertificate SCTs",NID_ct_precert_scts,10, + &(lvalues[6187]),0}, +{"ct_precert_poison","CT Precertificate Poison",NID_ct_precert_poison, + 10,&(lvalues[6197]),0}, +{"ct_precert_signer","CT Precertificate Signer",NID_ct_precert_signer, + 10,&(lvalues[6207]),0}, +{"ct_cert_scts","CT Certificate SCTs",NID_ct_cert_scts,10, + &(lvalues[6217]),0}, }; static const unsigned int sn_objs[NUM_SN]={ @@ -2777,6 +2789,10 @@ static const unsigned int sn_objs[NUM_SN]={ 884, /* "crossCertificatePair" */ 806, /* "cryptocom" */ 805, /* "cryptopro" */ +954, /* "ct_cert_scts" */ +952, /* "ct_precert_poison" */ +951, /* "ct_precert_scts" */ +953, /* "ct_precert_signer" */ 500, /* "dITRedirect" */ 451, /* "dNSDomain" */ 495, /* "dSAQuality" */ @@ -3460,6 +3476,10 @@ static const unsigned int ln_objs[NUM_LN]={ 285, /* "Biometric Info" */ 179, /* "CA Issuers" */ 785, /* "CA Repository" */ +954, /* "CT Certificate SCTs" */ +952, /* "CT Precertificate Poison" */ +951, /* "CT Precertificate SCTs" */ +953, /* "CT Precertificate Signer" */ 131, /* "Code Signing" */ 783, /* "Diffie-Hellman based MAC" */ 382, /* "Directory" */ @@ -5202,6 +5222,10 @@ static const unsigned int obj_objs[NUM_OBJ]={ 138, /* OBJ_ms_efs 1 3 6 1 4 1 311 10 3 4 */ 648, /* OBJ_ms_smartcard_login 1 3 6 1 4 1 311 20 2 2 */ 649, /* OBJ_ms_upn 1 3 6 1 4 1 311 20 2 3 */ +951, /* OBJ_ct_precert_scts 1 3 6 1 4 1 11129 2 4 2 */ +952, /* OBJ_ct_precert_poison 1 3 6 1 4 1 11129 2 4 3 */ +953, /* OBJ_ct_precert_signer 1 3 6 1 4 1 11129 2 4 4 */ +954, /* OBJ_ct_cert_scts 1 3 6 1 4 1 11129 2 4 5 */ 751, /* OBJ_camellia_128_cbc 1 2 392 200011 61 1 1 1 2 */ 752, /* OBJ_camellia_192_cbc 1 2 392 200011 61 1 1 1 3 */ 753, /* OBJ_camellia_256_cbc 1 2 392 200011 61 1 1 1 4 */ diff --git a/crypto/objects/obj_mac.h b/crypto/objects/obj_mac.h index 841b02a546..71590387ed 100644 --- a/crypto/objects/obj_mac.h +++ b/crypto/objects/obj_mac.h @@ -4158,3 +4158,23 @@ #define SN_dh_cofactor_kdf "dh-cofactor-kdf" #define NID_dh_cofactor_kdf 947 +#define SN_ct_precert_scts "ct_precert_scts" +#define LN_ct_precert_scts "CT Precertificate SCTs" +#define NID_ct_precert_scts 951 +#define OBJ_ct_precert_scts 1L,3L,6L,1L,4L,1L,11129L,2L,4L,2L + +#define SN_ct_precert_poison "ct_precert_poison" +#define LN_ct_precert_poison "CT Precertificate Poison" +#define NID_ct_precert_poison 952 +#define OBJ_ct_precert_poison 1L,3L,6L,1L,4L,1L,11129L,2L,4L,3L + +#define SN_ct_precert_signer "ct_precert_signer" +#define LN_ct_precert_signer "CT Precertificate Signer" +#define NID_ct_precert_signer 953 +#define OBJ_ct_precert_signer 1L,3L,6L,1L,4L,1L,11129L,2L,4L,4L + +#define SN_ct_cert_scts "ct_cert_scts" +#define LN_ct_cert_scts "CT Certificate SCTs" +#define NID_ct_cert_scts 954 +#define OBJ_ct_cert_scts 1L,3L,6L,1L,4L,1L,11129L,2L,4L,5L + diff --git a/crypto/objects/obj_mac.num b/crypto/objects/obj_mac.num index 4093f514c2..0b04b9d083 100644 --- a/crypto/objects/obj_mac.num +++ b/crypto/objects/obj_mac.num @@ -948,3 +948,7 @@ dh_cofactor_kdf 947 aes_128_cbc_hmac_sha256 948 aes_192_cbc_hmac_sha256 949 aes_256_cbc_hmac_sha256 950 +ct_precert_scts 951 +ct_precert_poison 952 +ct_precert_signer 953 +ct_cert_scts 954 diff --git a/crypto/objects/objects.txt b/crypto/objects/objects.txt index 58dc4b715b..77e9536831 100644 --- a/crypto/objects/objects.txt +++ b/crypto/objects/objects.txt @@ -1335,3 +1335,9 @@ secg-scheme 14 3 : dhSinglePass-cofactorDH-sha512kdf-scheme # NIDs for use with lookup tables. : dh-std-kdf : dh-cofactor-kdf + +# RFC 6962 Extension OIDs (see http://www.ietf.org/rfc/rfc6962.txt) +1 3 6 1 4 1 11129 2 4 2 : ct_precert_scts : CT Precertificate SCTs +1 3 6 1 4 1 11129 2 4 3 : ct_precert_poison : CT Precertificate Poison +1 3 6 1 4 1 11129 2 4 4 : ct_precert_signer : CT Precertificate Signer +1 3 6 1 4 1 11129 2 4 5 : ct_cert_scts : CT Certificate SCTs diff --git a/crypto/x509v3/Makefile b/crypto/x509v3/Makefile index 3ac379a7fa..e4615e6c66 100644 --- a/crypto/x509v3/Makefile +++ b/crypto/x509v3/Makefile @@ -22,13 +22,13 @@ v3_prn.c v3_utl.c v3err.c v3_genn.c v3_alt.c v3_skey.c v3_akey.c v3_pku.c \ v3_int.c v3_enum.c v3_sxnet.c v3_cpols.c v3_crld.c v3_purp.c v3_info.c \ v3_ocsp.c v3_akeya.c v3_pmaps.c v3_pcons.c v3_ncons.c v3_pcia.c v3_pci.c \ pcy_cache.c pcy_node.c pcy_data.c pcy_map.c pcy_tree.c pcy_lib.c \ -v3_asid.c v3_addr.c +v3_asid.c v3_addr.c v3_scts.c LIBOBJ= v3_bcons.o v3_bitst.o v3_conf.o v3_extku.o v3_ia5.o v3_lib.o \ v3_prn.o v3_utl.o v3err.o v3_genn.o v3_alt.o v3_skey.o v3_akey.o v3_pku.o \ v3_int.o v3_enum.o v3_sxnet.o v3_cpols.o v3_crld.o v3_purp.o v3_info.o \ v3_ocsp.o v3_akeya.o v3_pmaps.o v3_pcons.o v3_ncons.o v3_pcia.o v3_pci.o \ pcy_cache.o pcy_node.o pcy_data.o pcy_map.o pcy_tree.o pcy_lib.o \ -v3_asid.o v3_addr.o +v3_asid.o v3_addr.o v3_scts.o SRC= $(LIBSRC) diff --git a/crypto/x509v3/ext_dat.h b/crypto/x509v3/ext_dat.h index 76daee6fcd..80bd0b2e6c 100644 --- a/crypto/x509v3/ext_dat.h +++ b/crypto/x509v3/ext_dat.h @@ -68,6 +68,7 @@ extern X509V3_EXT_METHOD v3_crl_hold, v3_pci; extern X509V3_EXT_METHOD v3_policy_mappings, v3_policy_constraints; extern X509V3_EXT_METHOD v3_name_constraints, v3_inhibit_anyp, v3_idp; extern X509V3_EXT_METHOD v3_addr, v3_asid; +extern X509V3_EXT_METHOD v3_ct_scts[]; /* This table will be searched using OBJ_bsearch so it *must* kept in * order of the ext_nid values. @@ -124,6 +125,8 @@ static const X509V3_EXT_METHOD *standard_exts[] = { &v3_idp, &v3_alt[2], &v3_freshest_crl, +&v3_ct_scts[0], +&v3_ct_scts[1], }; /* Number of standard extensions */ diff --git a/crypto/x509v3/v3_scts.c b/crypto/x509v3/v3_scts.c new file mode 100644 index 0000000000..c6ef0dc901 --- /dev/null +++ b/crypto/x509v3/v3_scts.c @@ -0,0 +1,204 @@ +/* v3_scts.c */ +/* Written by Rob Stradling (rob@comodo.com) for the OpenSSL project 2014. + */ +/* ==================================================================== + * Copyright (c) 2014 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + + +#include +#include "cryptlib.h" +#include +#include +#include +#include "../ssl/ssl_locl.h" + +static int i2r_scts(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct, BIO *out, int indent); + +const X509V3_EXT_METHOD v3_ct_scts[] = { +{ NID_ct_precert_scts, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING), +0,0,0,0, +0,0,0,0, +(X509V3_EXT_I2R)i2r_scts, NULL, +NULL}, + +{ NID_ct_cert_scts, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING), +0,0,0,0, +0,0,0,0, +(X509V3_EXT_I2R)i2r_scts, NULL, +NULL}, +}; + +static void tls12_signature_print(BIO *out, const unsigned char *data) + { + int nid = NID_undef; + /* RFC6962 only permits two signature algorithms */ + if (data[0] == TLSEXT_hash_sha256) + { + if (data[1] == TLSEXT_signature_rsa) + nid = NID_sha256WithRSAEncryption; + else if (data[1] == TLSEXT_signature_ecdsa) + nid = NID_ecdsa_with_SHA256; + } + if (nid == NID_undef) + BIO_printf(out, "%02X%02X", data[0], data[1]); + else + BIO_printf(out, "%s", OBJ_nid2ln(nid)); + } + +static void timestamp_print(BIO *out, BN_ULLONG timestamp) + { + ASN1_GENERALIZEDTIME *gen; + char genstr[20]; + gen = ASN1_GENERALIZEDTIME_new(); + ASN1_GENERALIZEDTIME_adj(gen, (time_t)0, + timestamp / 86400000, + (timestamp % 86400000) / 1000); + /* Note GeneralizedTime from ASN1_GENERALIZETIME_adj is always 15 + * characters long with a final Z. Update it with fractional seconds. + */ + BIO_snprintf(genstr, sizeof(genstr), "%.14s.%03dZ", + ASN1_STRING_data(gen), + (unsigned int)(timestamp % 1000)); + ASN1_GENERALIZEDTIME_set_string(gen, genstr); + ASN1_GENERALIZEDTIME_print(out, gen); + ASN1_GENERALIZEDTIME_free(gen); + } + +static int i2r_scts(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct, + BIO *out, int indent) + { + BN_ULLONG timestamp; + unsigned char* data = oct->data; + unsigned short listlen, sctlen = 0, fieldlen; + + if (oct->length < 2) + return 0; + n2s(data, listlen); + if (listlen != oct->length - 2) + return 0; + + while (listlen > 0) + { + if (listlen < 2) + return 0; + n2s(data, sctlen); + listlen -= 2; + + if ((sctlen < 1) || (sctlen > listlen)) + return 0; + listlen -= sctlen; + + BIO_printf(out, "%*sSigned Certificate Timestamp:", indent, + ""); + + if (*data == 0) /* SCT v1 */ + { + /* Fixed-length header: + * struct { + * (1 byte) Version sct_version; + * (32 bytes) LogID id; + * (8 bytes) uint64 timestamp; + * (2 bytes + ?) CtExtensions extensions; + */ + if (sctlen < 43) + return 0; + sctlen -= 43; + + BIO_printf(out, "\n%*sVersion : v1(0)", indent + 4, + ""); + + BIO_printf(out, "\n%*sLog ID : ", indent + 4, ""); + BIO_hex_string(out, indent + 16, 16, data + 1, 32); + + data += 33; + n2l8(data, timestamp); + BIO_printf(out, "\n%*sTimestamp : ", indent + 4, ""); + timestamp_print(out, timestamp); + + n2s(data, fieldlen); + if (sctlen < fieldlen) + return 0; + sctlen -= fieldlen; + BIO_printf(out, "\n%*sExtensions: ", indent + 4, ""); + if (fieldlen == 0) + BIO_printf(out, "none"); + else + BIO_hex_string(out, indent + 16, 16, data, + fieldlen); + data += fieldlen; + + /* digitally-signed struct header: + * (1 byte) Hash algorithm + * (1 byte) Signature algorithm + * (2 bytes + ?) Signature + */ + if (sctlen < 4) + return 0; + sctlen -= 4; + + BIO_printf(out, "\n%*sSignature : ", indent + 4, ""); + tls12_signature_print(out, data); + data += 2; + n2s(data, fieldlen); + if (sctlen != fieldlen) + return 0; + BIO_printf(out, "\n%*s ", indent + 4, ""); + BIO_hex_string(out, indent + 16, 16, data, fieldlen); + if (listlen > 0) BIO_printf(out, "\n"); + data += fieldlen; + } + } + + return 1; + } diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h index 1e67a56295..f0d621614b 100644 --- a/ssl/ssl_locl.h +++ b/ssl/ssl_locl.h @@ -231,6 +231,15 @@ l|=((BN_ULLONG)(*((c)++)))<< 8, \ l|=((BN_ULLONG)(*((c)++)))) +#define n2l8(c,l) (l =((BN_ULLONG)(*((c)++)))<<56, \ + l|=((BN_ULLONG)(*((c)++)))<<48, \ + l|=((BN_ULLONG)(*((c)++)))<<40, \ + l|=((BN_ULLONG)(*((c)++)))<<32, \ + l|=((BN_ULLONG)(*((c)++)))<<24, \ + l|=((BN_ULLONG)(*((c)++)))<<16, \ + l|=((BN_ULLONG)(*((c)++)))<< 8, \ + l|=((BN_ULLONG)(*((c)++)))) + /* NOTE - c is not incremented as per l2c */ #define l2cn(l1,l2,c,n) { \ c+=n; \ -- 2.25.1